-10 AN Braided Stainless Steel Hose Line [20 ft. Length] The main difference is that

The main difference is that there is an open area under the plenum chamber

and have a maximum pressure of 7 psi with an externally accessible pressure relief valve

With an adjustable vintage plastic snapback closure

manual or EFI pump

Use the stock Quadra-Jet carb or 500-650 cfm vacuum secondary carburetor

-10 AN Braided Stainless Steel Hose Line [20 ft. Length] The main difference is thatSpeedmaster braided hoses feature a partial stainless steel reinforcement within the inner braid. On the outside we've added a heavy duty, protective, full stainless steel braid, making it exceptionally lightweight, flexible, and durable.